// Copyright 2022 ByteDance and its affiliates.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//      http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

package clusters

import (
	"fmt"

	"k8s.io/client-go/kubernetes"
)

type ClientProvider interface {
	ClientFor(name string) (*ClusterInfo, kubernetes.Interface, error)
}

func (m *manager) ClientFor(name string) (*ClusterInfo, kubernetes.Interface, error) {
	cluster, ok := m.Get(name)
	if !ok {
		return nil, nil, fmt.Errorf("cluster %q: %w", name, ErrClusterNotFound)
	}
	endpoint, err := cluster.PickOne()
	if err != nil {
		return cluster, nil, err
	}
	return cluster, endpoint.Clientset(), nil
}
